CVE-2020-3545

MEDIUM

Cisco FXOS < 2.3.1.58 - Authenticated Buffer Overflow via Crafted File Processing

Title source: llm
STIX 2.1

Description

A vulnerability in Cisco FXOS Software could allow an authenticated, local attacker with administrative credentials to cause a buffer overflow condition. The vulnerability is due to incorrect bounds checking of values that are parsed from a specific file. An attacker could exploit this vulnerability by supplying a crafted file that, when it is processed, may cause a stack-based buffer overflow. A successful exploit could allow the attacker to execute arbitrary code on the underlying operating system with root privileges. An attacker would need to have valid administrative credentials to exploit this vulnerability.

References (1)

Core 1
Core References

Scores

CVSS v3 6.0
EPSS 0.0006
EPSS Percentile 18.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-119 CWE-787
Status published
Products (1)
cisco/firepower_extensible_operating_system < 2.3.1.58
Published Sep 04, 2020
Tracked Since Feb 18, 2026